Mairead Hourigan and Aisling Leavy describe a range of teaching and learning activities focusing on the identification and classification of 2-dimensional shapes. The activities described are useful in highlighting students' misconceptions regarding non-traditioanl and non-prototypical shapes.

Examines existing research and instructional design theories for guidelines that encourage a deep approach to learning, i.e., meaningful learning, critical thinking, or independent learning. Highlights include sequencing strategies and elaboration theory, linking concepts, student misconceptions, changing the attitudes of teachers, and projects…